<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>index page</title>
</head>
<body>
<h1>index page</h1>
<p><a href="/student/index.html">student index page</a></p>
<p><a href="/course/index.html">course index page</a></p>
<p><a href="/student_course/index.html">student select course index page</a></p>
</body>
</html>